Data Dashboard

What You’ll Find Here


Overdoses are now the leading cause of death, bypassing cancer, for Marin residents under 55 years of age. Fentanyl is driving these overdoses, associated with approximately 60% of overdose deaths in the County. The following data are intended to track trends and provide information for shared understanding and action across our County. OD Free Marin strives to prevent overdoses through data driven strategies and community collaboration.

Non-Fatal Overdose


A non-fatal overdose is a sign of unsafe drug use and risk for future fatal overdose. Tracking non-fatal overdose events provides valuable insights to guide prevention strategies. Outreach to overdose survivors is a proven approach to limiting mortality. Spikes in non-fatal overdoses may signal the presence of particularly potent substances in the drug supply, including fentanyl.

Data Source: ImageTrend EMS data

Data notes

Marin Health & Human Services (HHS) uses Emergency Medical Services (EMS) records from all 911 calls to identify suspected drug overdoses. A single overdose can include multiple substances. These records include both intentional and unintentional overdoses. Results are updated in the first week of each month.

* Data for the current year is complete as of the data refreshed date. ** Counts are not mutually exclusive, meaning one overdose event can include multiple types of drugs. *** Race/Ethnicity information became a mandatory field starting 2021.

Fatal Overdose


OD Free Marin sees overdose deaths as preventable. Our aim is to reverse this trend by raising awareness, coordinating action and directing resources to prevent overdose and save lives.

Data Source: VRBIS data

Data notes


Death investigations conducted by the Marin County Sheriff-Coroner for drug overdoses may take six months to a year, leading to delays in tallies of fatal events. 2023 data is now available with a few additional records under investigation and it presents an unchanged trend in the number of overdose deaths compared to 2022. These records include both intentional and unintentional overdoses. Results are updated the first week of each month.  

* Counts are not mutually exclusive, meaning one overdose event can include multiple types of drugs.

Narcan® Vending Machine Distribution: Total Kits Distributed


NARCAN® is an opioid overdose reversal spray that OD Free Marin makes available for free in five (5) vending machines in Marin. This chart shows the cumulative number of kits distributed (with instructions) since the program began in 2021. For free NARCAN® and usage videos (In English and Spanish) visit our Narcan page.

Data Source: NARCAN® vending machine data are provided by Behavioral Health and Recovery Services (BHRS), Department of Health and Human Services

Treatment for Opioid Use Disorder: Buprenorphine and Methadone Prescriptions


Buprenorphine and methadone are medications that effectively treat Opioid Use Disorder and reduce the risk of overdose. The fentanyl crisis has increased demand for these therapies, and improving access to treatment is an OD Free Marin goal. Learn more, including where to access treatment for opioid use disorder on our Medication Assisted Treatment (MAT) page.

Data Source: California Controlled Substance Utilization Review and Evaluation System (CURES), California Prescription Drug Monitoring Program (PDMP)

Data notes

Buprenorphine prescriptions are reported by dispensing pharmacies to the California Prescription Drug Monitoring Program (PDMP). Marin County Department of Health and Human Services updates results here semi-annually.

Opioid Prescription, Marin County, 2008-2022


Safe and appropriate prescribing is a goal of OD Free Marin. Historically, opioid overprescribing fueled the opioid overdose epidemic. Tracking opioid prescriptions (by morphine equivalent) in Marin allows us to see trends in “opioid prescription burden,” or the negative health impacts of overprescribing over time. Additional detail can be found on the California Opioid Overdose Surveillance Dashboard.

Data Source: California Controlled Substance Utilization Review and Evaluation System (CURES), California Prescription Drug Monitoring Program (PDMP)